Which of the following describe objects in free fall? check all that apply. a. an apple falling from a tree b. a dog that is running c. a rock that is dropped d. a bee that is flying

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?